[INFO] cloning repository https://github.com/Mistscream/rust-crawler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mistscream/rust-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ade036a84f0a17b1a903c91d5bc25bfd102ecc9f
[INFO] checking Mistscream/rust-crawler against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mistscream/rust-crawler on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Mistscream/rust-crawler
[INFO] finished tweaking git repo https://github.com/Mistscream/rust-crawler
[INFO] tweaked toml for git repo https://github.com/Mistscream/rust-crawler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistscream/rust-crawler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 154f1ad87a89fb98802d42bf848807461037bdbe3acd582de1c7e5e814db4a98
[INFO] running `"docker" "start" "-a" "154f1ad87a89fb98802d42bf848807461037bdbe3acd582de1c7e5e814db4a98"`
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "154f1ad87a89fb98802d42bf848807461037bdbe3acd582de1c7e5e814db4a98"`
[INFO] running `"docker" "rm" "-f" "154f1ad87a89fb98802d42bf848807461037bdbe3acd582de1c7e5e814db4a98"`
[INFO] [stdout] 154f1ad87a89fb98802d42bf848807461037bdbe3acd582de1c7e5e814db4a98